body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,legend,input,textarea,button,p,blockquote,th,td{
  margin: 0;
  padding: 0;
  outline: none;
}
body{
  text-align: center;
  font-family: Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, WenQuanYi Micro Hei, sans-serif;;
}
ol,ul,li{
  list-style: none;
}
a{
  text-decoration: none;
  color: #333;
}
input,button,img{
  border: none;
  vertical-align: middle;
}
